/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : main.c
  * @brief          : Main program body
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2025 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "tim.h"
#include "gpio.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "tim.h"
/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */

/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */

/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/

/* USER CODE BEGIN PV */
// 全局变量用于控制LED状态
volatile int led_on = 0; 
volatile int vol_delay = 0; 
volatile int timer_started = 0; 
volatile int timer_cnt = 0;
volatile int pwm_0to180 = 0;  
volatile int pwm_0to180_cnt = 0;  
volatile int pwm_180to0 = 0;  
volatile int pwm_180to0_cnt = 0;  
/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

/**
  * @brief  The application entry point.
  * @retval int
  */
int main(void)
{

  /* USER CODE BEGIN 1 */
	float pulse_0du = 0.5 * 1000;
  float pulse_180du =   2.5*1000;
  /* USER CODE END 1 */

  /* MCU Configuration--------------------------------------------------------*/

  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  HAL_Init();

  /* USER CODE BEGIN Init */

  /* USER CODE END Init */

  /* Configure the system clock */
  SystemClock_Config();

  /* USER CODE BEGIN SysInit */
	
  /* USER CODE END SysInit */

  /* Initialize all configured peripherals */
  MX_GPIO_Init();
  MX_TIM1_Init();
  MX_TIM2_Init();
  /* USER CODE BEGIN 2 */
	HAL_TIM_Base_Start_IT(&htim2);
	HAL_TIM_PWM_Start(&htim1, TIM_CHANNEL_1);
  vol_delay = 10000;
  led_on = 0;
	HAL_GPIO_WritePin(GPIOB, GPIO_PIN_13|GPIO_PIN_15, GPIO_PIN_RESET);
	// 初始化LED为关闭状态
	

  /* USER CODE END 2 */

  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  while (1)
  {
    /* USER CODE END WHILE */

    /* USER CODE BEGIN 3 */
    // 检测PA10是否为低电平
    if(vol_delay > 0)
    {
      vol_delay--;
      HAL_Delay(1);
    }
    else
    {
      if(HAL_GPIO_ReadPin(GPIOA, GPIO_PIN_10) == GPIO_PIN_RESET)
      {
        HAL_Delay(10);
        if (HAL_GPIO_ReadPin(GPIOA, GPIO_PIN_10) == GPIO_PIN_RESET)
        {
          vol_delay = 1000;
          if(led_on == 1)
          {
            HAL_GPIO_WritePin(GPIOB, GPIO_PIN_13|GPIO_PIN_15, GPIO_PIN_RESET);
            led_on = 0;
            timer_started = 0;
            timer_cnt = 0;
            pwm_180to0 = 1;
            pwm_180to0_cnt = 0;
          }
          else
          {
            HAL_GPIO_WritePin(GPIOB, GPIO_PIN_13|GPIO_PIN_15, GPIO_PIN_SET);
            led_on = 1;
            timer_started = 1;
            timer_cnt = 0;
            pwm_0to180 = 1;
            pwm_0to180_cnt = 0;
          }
        }
      }
  }
    if(timer_started == 1)
		{
			if(timer_cnt > 15*60*1000)
			{
				timer_started = 0;
				timer_cnt = 0;
				pwm_180to0 = 1;
				pwm_180to0_cnt = 0;
				HAL_GPIO_WritePin(GPIOB, GPIO_PIN_13|GPIO_PIN_15, GPIO_PIN_RESET);
			}
		}
		if(pwm_0to180 == 1)
		{
			int max_pulse = pulse_180du;
			__HAL_TIM_SetCompare(&htim1,TIM_CHANNEL_1,max_pulse);
			pwm_0to180 = 0;
//			int pulse = pulse_0du + pwm_0to180_cnt;
//			int max_pulse = pulse_180du;
//			if(pulse > max_pulse)
//			{
//				pwm_0to180 = 0;
//			}
//			else
//			{
//				__HAL_TIM_SetCompare(&htim1,TIM_CHANNEL_1,pulse);
//				pwm_0to180_cnt++;
//			}
		}
		else if(pwm_180to0 == 1)
		{
			int min_pulse = pulse_0du;
			__HAL_TIM_SetCompare(&htim1,TIM_CHANNEL_1,min_pulse);
			pwm_180to0 = 0;
//			int pulse = pulse_180du - pwm_180to0_cnt;
//			int min_pulse = pulse_0du;
//			if(pulse < min_pulse)
//			{
//				pwm_180to0 = 0;
//			}
//			else
//			{
//				__HAL_TIM_SetCompare(&htim1,TIM_CHANNEL_1,pulse);
//				pwm_180to0_cnt++;
//			}
		}
	}
		
  /* USER CODE END 3 */
}

/**
  * @brief System Clock Configuration
  * @retval None
  */
void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

  /** Initializes the RCC Oscillators according to the specified parameters
  * in the RCC_OscInitTypeDef structure.
  */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV2;
  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    Error_Handler();
  }

  /** Initializes the CPU, AHB and APB buses clocks
  */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
  {
    Error_Handler();
  }
}

/* USER CODE BEGIN 4 */
/**
 * @brief TIM2中断回调函数
 * @param htim TIM句柄
 * @retval None
 */
void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
{
  if (htim->Instance == TIM2)
  {
		if(timer_started == 1)
		{
			timer_cnt++;
		}
  }
}
/* USER CODE END 4 */

/**
  * @brief  This function is executed in case of error occurrence.
  * @retval None
  */
void Error_Handler(void)
{
  /* USER CODE BEGIN Error_Handler_Debug */
  /* User can add his own implementation to report the HAL error return state */
  __disable_irq();
  while (1)
  {
  }
  /* USER CODE END Error_Handler_Debug */
}
#ifdef USE_FULL_ASSERT
/**
  * @brief  Reports the name of the source file and the source line number
  *         where the assert_param error has occurred.
  * @param  file: pointer to the source file name
  * @param  line: assert_param error line source number
  * @retval None
  */
void assert_failed(uint8_t *file, uint32_t line)
{
  /* USER CODE BEGIN 6 */
  /* User can add his own implementation to report the file name and line number,
     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */
